000 | 00397nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 170101s1972 xx 000 0 und d | ||
082 | _a551.49 U-4S | ||
100 | _aUNESCO | ||
245 | 0 | _aStatus and trends of research in hydrology, 1965-74 | |
260 | _c1972 | ||
300 | _a148p | ||
440 | _aStudies and reports in hydrology, 10 | ||
650 | _aHYDROLOGY | ||
653 | _aHYDROLOGY | ||
942 |
_2ddc _cB |
||
999 |
_c49393 _d49393 |